Title: Errors on new PHP
Last modified: March 11, 2021

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# Errors on new PHP

 *  [Tom](https://wordpress.org/support/users/thommen/)
 * (@thommen)
 * [5 years, 1 month ago](https://wordpress.org/support/topic/errors-on-new-php/)
 *     ```
       Warning: A non-numeric value encountered in /wp-content/plugins/pdf-print/mpdf/mpdf.php on line *
       Warning: Cannot modify header information - headers already sent by (output started at /wp-content/plugins/pdf-print/mpdf/mpdf.php:*) in /szpital/wp-content/plugins/pdf-print/mpdf/mpdf.php on line *
       MpdfException thrown
   
       Some data has already been output to browser, can't send PDF file
       ```
   
 * Lots of mistakes. This plug cannot be used.

Viewing 5 replies - 1 through 5 (of 5 total)

 *  [georgesupport](https://wordpress.org/support/users/georgesupport/)
 * (@georgesupport)
 * [5 years, 1 month ago](https://wordpress.org/support/topic/errors-on-new-php/#post-14206745)
 * Hi,
 * To solve your problem, please contact us via our Help Center or create a new 
   post in the appropriate support forum.
 *  [matchingoutfits](https://wordpress.org/support/users/matchingoutfits/)
 * (@matchingoutfits)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/errors-on-new-php/#post-14370771)
 * Warning: A non-numeric value encountered in /home/uual2314/public_html/wp-content/
   plugins/alids/core/core.php on line 0
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/uual2314/public_html/wp-content/plugins/alids/core/core.php:0) in /home/
   uual2314/public_html/wp-content/plugins/alids/includes/ads/adsBasket.php on line
   0
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/uual2314/public_html/wp-content/plugins/alids/core/core.php:0) in /home/
   uual2314/public_html/wp-includes/pluggable.php on line 1329
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/uual2314/public_html/wp-content/plugins/alids/core/core.php:0) in /home/
   uual2314/public_html/wp-includes/pluggable.php on line 1332
 * This is the error my customers are getting when they place an order through my
   website.Please help, I am losing customers because of this.
 *  [georgesupport](https://wordpress.org/support/users/georgesupport/)
 * (@georgesupport)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/errors-on-new-php/#post-14375604)
 * Hi,
 * Could you please upgrade MPDF library on the PDF&Print settings page if you didn’t
   do it yet.
 *  [matchingoutfits](https://wordpress.org/support/users/matchingoutfits/)
 * (@matchingoutfits)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/errors-on-new-php/#post-14376212)
 * [@georgesupport](https://wordpress.org/support/users/georgesupport/) I can’t 
   find that setting.Please elaborate.
 *  [georgesupport](https://wordpress.org/support/users/georgesupport/)
 * (@georgesupport)
 * [4 years, 11 months ago](https://wordpress.org/support/topic/errors-on-new-php/#post-14421122)
 * Hi,
 * According to Forum Guidelines, a review should not be used for support. To solve
   your problem, please contact us via our Help Center or create a new post in the
   appropriate support forum.

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Errors on new PHP’ is closed to new replies.

 * ![](https://ps.w.org/pdf-print/assets/icon-256x256.gif?rev=2580392)
 * [PDF & Print by BestWebSoft - WordPress Posts and Pages PDF Generator Plugin](https://wordpress.org/plugins/pdf-print/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/pdf-print/#faq)
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 * 5 replies
 * 3 participants
 * Last reply from: [georgesupport](https://wordpress.org/support/users/georgesupport/)
 * Last activity: [4 years, 11 months ago](https://wordpress.org/support/topic/errors-on-new-php/#post-14421122)